/*
 * @(#)CacheManager.java		       Project:ProgramList
 * Date:2012-8-25
 *
 * Copyright (c) 2011 CFuture09, Institute of Software, 
 * Guangdong Ocean University, Zhanjiang, GuangDong, China.
 * All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.sinaapp.msdxblog.tools.htmlsax;

import java.io.File;
import java.io.IOException;

import org.apache.commons.io.FileUtils;

/**
 * @author Geek_Soledad (66704238@51uc.com)
 */
public class CacheManager {

	public static void clearProgramCache() {
		Cache tvCache = Cache.getInstance();
		String path = tvCache.getCacheRootFile();
		File rootDir = new File(path);
		File[] files = rootDir.listFiles();
		try {
			for (File file : files) {
				if (file.isDirectory()) {
					if (!shouldKeepThisFile(file,
							tvCache.getProgramFileParentPath())) {
						FileUtils.deleteDirectory(file);
					}
				}
			}
		} catch (IOException e) {
			e.printStackTrace();
		}
	}

	private static boolean shouldKeepThisFile(File file, String keepDirPath) {
		return file.getAbsolutePath().equals(keepDirPath);
	}
}
